Siemens SIMATIC MV500, Operating Instructions Manual, Page: 241 / 294

Service and maintenance
10.3 Factory settings
SIMATIC MV500
Operating Instructions, 03/2021, C79000-G8976-C494-05
241
10.3.2 Restoring the factory settings manually
Requirement
The reader is not connected to the PC via Industrial Ethernet.
Procedure
Proceed as follows to reset all settings to the factory settings:
1.
Connect the power supply cable to the combi port.
2. Within 5 seconds, press the "READ" and "CONNECT" buttons and hold both buttons down.
Reaction: The "CONNECT" LED flashes green at short intervals. All other LEDs initially
behave as during a normal startup and are not relevant.
3. Wait until the "CONNECT" LED flashes yellow at short intervals.
4. Release the "READ" button.
5. Wait until the "CONNECT" LED flashes red at short intervals.
6. Release the "CONNECT" button.
Result: The reader is reset to factory settings and restarted after about 2 seconds.
Note that restoring to factory settings assigns the factory-set IP address to the reader. After
restarting the reader, you may have to assign a new IP address or a new device name to the
reader.
10.3.3 Reset the factory setting with SINEC PNI
Requirement
The reader is connected to the PC via Industrial Ethernet or PROFINET.
Procedure
Proceed as follows to restore the Ethernet interface to the factory settings using SINEC PNI:
1.
Start SINEC PNI.
2. Click on the "Start network scan" button in the toolbar.
Reaction: The network is scanned for connected devices and all recognized devices are
displayed in the device list.
3. Select the desired reader in the device list.
4. Click on the "Reset device" button on the toolbar.
Result: The Ethernet interface of the reader is reset to factory settings.